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Health Hazard Evaluations (HHEs)

Each month we will update this page to highlight newly released final reports and information on new and emerging hazards we are evaluating. Check back often to see what we are up to!

What's New

  • Evaluation of Noise and Metal Exposure at a Security Portal Manufacturer
    HHE Program investigators found that fabrication employees were not overexposed to aluminum or other metals in the air. Sanders and the mill/saw operator were overexposed to noise over an 8-hour work shift. However, employees typically performed these tasks for only 2–3 hours per shift. We recommended enclosing the band saw area to reduce noise and re-evaluating employee noise exposure during a typical work shift and whenever production changes. To read the full report go to
  • 2015 Health Hazard Evaluation Program Annual Report
    The NIOSH Health Hazard Evaluation (HHE) Program is pleased to share its 2015 annual report. Our report includes summaries of projects that were interesting and other highlights of our year. We hope the report stimulates conversations about who the HHE Program is and how we make a difference for the health and safety of employees throughout the United States. A link to the annual report is available here: